CN2296294Y - Headstall lock of bicycle - Google Patents

Abstract

The utility model relates to a headstall lock of a bicycle, belonging to tools for the parking, the locking and the theft protection of the bicycle. The utility model is formed by that a lock casing and a fixed clamping block are fixed on the centre shaft of halter of the bicycle by hexagon socket head cap screws; a U-shaped lock rod is arranged in the lock casing; a spring is sheathed on the U-shaped lock rod; a lock core is arranged in a lock body in the lock casing; one end of the lock core is connected with a clamping pin, and can drive the clamping pin to do telescopic motion, playing the functions of unlocking and bicycle locking. When the utility model is used for locking the bicycle, the U-shaped lock rod is pressed to clamp the triangular bar of the bicycle, and simultaneously, the clamping pin is sprung into the groove of the U-shaped lock rod to clamp the U-shaped lock rod, and thus the U-shaped lock rod can not be sprung back, obtaining the goal that the bicycle is locked.

Description

A kind of bicycle halter lock

The utility model belongs to the anti-utensil of usurping of bicycle parking lock car.

Before the utility model was not made, the used lock of bicycle mostly was an iron sheet shell lock, preceding V shape anti-theft column lock, and stone dead wire lock etc., iron sheet shell lock is easy to be pried open steals bicycle, and preceding V shape anti-theft column lock is installed in the bicycle front fork below because of it; The one, unblank and to lock car very inconvenient, the people will stoop or squat down and could operate, quite painstaking, the old man uses inconvenient especially, the 2nd, thick little down on the front fork, above lock was installed in, as long as firmly one hammer into shape downwards with hammer, lock glided just loosening, the outside front-wheel the commentaries on classics bicycle of lock can have been rotated, therefore, preceding V shape anti-theft column lock is non-anti-theft, and the 3rd, when many bicycle platoons are parked, preceding V shape lock is difficult to unblank, people's lock beyond reach of standing behind the car draws and can not pull and, and the bicycle on both sides can only be removed certain space and just can unblank.Will operate simultaneously with two hands when the stone dead wire lock uses, lock will be placed separately when not locking car, uses also very inconvenient.Above bicycle lock is all to be that traditional steel wire mode to pin bicycle front-wheel or trailing wheel is come antitheft.The operating mode of these several locks has brought certain inconvenience also for people's daily traffic life.

The purpose of this utility model provides a kind of bicycle halter lock, it is that lock is fixed on the bicycle halter near on the axis of triangle crosspiece, the bicycle halter is rotated a certain angle to the left or to the right, again the U-shape lock bar is pushed away to next, block the triangle crosspiece of bicycle, the bicycle halter just is stuck stiff, as motor bike halter lock principle bicycle has been pinned, thereby has changed the mode of bicycle lock wheel steel wire.

The purpose of this utility model is to realize like this; Bicycle halter lock it by the lock housing body and fixedly fixture block be fixed on the halter axis with interior hexagonal sieve silk, the U-shape lock bar is housed in the lock housing body, be with spring on the U-shape lock bar, there is a big hole that locking bar is installed at lock housing body front end, lock core is housed in the lock body, one of lock core with card Xiao Xianglian, and can drive and block Xiao and make fore and aft motion, play and unblank and the pinning effect.

Owing to adopted such scheme, the lock car and the unlock operation of bicycle parking are very convenient, and elegant in appearance, have not only changed traditional lock car mode, and have overcome iron sheet shell lock, preceding V shape anti-theft column lock, the ratio of the existing deficiency of mild steel twine lock.

Be both artistic and practical easy to use, can play the desirable bicycle lock of real antitheft use again.

Below in conjunction with drawings and Examples utility model is further specified:

Fig. 1 is a front view of the present utility model.

Fig. 2 is a left part sectional view of the present utility model.

Fig. 3 is an attached view of the present utility model.

Among the figure 1, lock housing body 2, fixedly fixture block 3, interior hexagonal sieve silk 4, lock body 5, lock core 6, card Xiao 7, U-shape lock bar 8, spring

At Fig. 1, among Fig. 2, lock housing body (1) utilizes fixedly, and fixture block (2) and interior hexagonal sieve silk (3) are fixed on lock housing body (1) on the bicycle halter axis, in lock housing body (1), be equipped with lock core (5) is housed in lock body (4) lock body (4), one of lock core (5) is connected with card Xiao (6), and the rotation energy of lock core (5) drives card Xiao's (6) fore and aft motion.In lock housing body (1), be with spring (8) on the U-shape lock bar (7).When at lock car state, U-shape lock bar (7) presses down and blocks the bicycle triangle crosspiece.Block Xiao (6) spring in the groove of U-shape lock bar (7) this moment, blocks U-shape lock bar (7), makes it can not resilience, and spring (8) is compressed by U type pin rod (7), and the triangle crosspiece that while U-shape lock bar (7) has also blocked bicycle makes halter stiff, plays the effect of lock.When unlocking condition, when inject the contraction that has driven card Xiao (6) when lock core (5) rotates with key, U-shape lock bar (7) pops up certain position under the reaction force acts of spring (8), be separated from the triangle crosspiece of bicycle, the halter of bicycle again can activity freely, played the effect of unblanking.

Claims (2)

1, a kind of bicycle halter lock, it by the lock housing body and fixedly fixture block can be fixed on the bicycle halter axis with interior hexagonal sieve silk, it is characterized in that: the U-shape lock bar is housed in the lock housing body, be with spring on the U-shape lock bar, in the lock body in the lock housing body lock core is arranged, one of lock core with card Xiao Xianglian, and can drive and block Xiao and make fore and aft motion, play and unblank and the pinning effect, form the structure of a lock.

2, a kind of bicycle halter lock as claimed in claim 1 is characterized in that at big hole of lock housing body front end lock body being installed.

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